Gemstone



FIG. 1 is a top view of an exemplary gemstone;

FIG. 2 is a bottom view of the exemplary gemstone;

FIG. 3 illustrates front and back views of the exemplary gemstone;

FIG. 4 illustrates front/left and rear/right corner views of theexemplary gemstone;

FIG. 5 illustrates an oblique view, viewed from line 5-5 in FIG. 1 ofthe exemplary gemstone; and,

FIG. 6 is an upper perspective view of the exemplary gemstone.

The ornamental design for a gemstone, as shown and described.